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natima [27]
2 years ago
8

You have two pure substance that you cannot identify. Each sample is solid at room temperature. Describe at least five steps in

the appropriate sequence that you would take to be able to identify the substance. ​
Chemistry
1 answer:
larisa [96]2 years ago
6 0

Answer:

pue like ad

Explanation:

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There are 1.8×1024 atoms in 1.5 mol HCl

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mafiozo [28]

Nitrogen has 7 protons, 7 neutrons, and 7 electrons.

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Seven protons, seven neutrons, and seven electrons make up the atom of nitrogen. The nucleus is the collection of protons and neutrons that make up the center of an atom. The 7 electrons, which are much smaller than the nucleus, orbit it in what is known as orbits. Since nitrogen-14 is a neutral atom, the number of protons in its nucleus must match the number of electrons around it.

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1 year ago
Which of the following best defines balanced forces?
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2 years ago
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Write a complete set of quantum numbers for the fifth electron added to a hydrogen ion (i.e., the fifth electron in any electron
ankoles [38]
N=
l=
m(l)=
m(s)=

start with H^+ (no electrons) , then adding 5 electrons will be  1s2 2s2 2p1
so for the 5th electron 
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Why do reactions need to be balanced?
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A part.

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Because the reactants must be the exact same as the the products.

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